2882780 has 12 divisors (see below), whose sum is σ = 6053880. Its totient is φ = 1153104.

The previous prime is 2882777. The next prime is 2882801. The reversal of 2882780 is 872882.

It is a self number, because there is not a number n which added to its sum of digits gives 2882780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72050 + ... + 72089.

It is an arithmetic number, because the mean of its divisors is an integer number (504490).

2^2882780 is an apocalyptic number.

2882780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2882780 is an abundant number, since it is smaller than the sum of its proper divisors (3171100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2882780 is a wasteful number, since it uses less digits than its factorization.

2882780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144148 (or 144146 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 2882780 is about 1697.8751426415. The cubic root of 2882780 is about 142.3214959920.

The spelling of 2882780 in words is "two million, eight hundred eighty-two thousand, seven hundred eighty".